Java 数组反转输出

方法1

/**
 * @author Meowrain
 * @version 1.0
 */
package com.meowrain;
public class Main{
    public static void main(String[] args){
        int[] arr = {11,22,33,44,55,66,77,88}; //定义一个存有8位数字的数组
        for (int i = 0; i < arr.length / 2; i++) {
            int temp = arr[arr.length - 1 - i]; //把末尾的数字存在临时变量里面
            arr[arr.length - 1 - i] = arr[i];//把最后一个数字和第一个数字进行交换
            arr[i] = temp;
        }
        for (int i = 0; i < arr.length; i++) {
            System.out.println(arr[i]);
        }
    }
}

方法2

/**
 * @author Meowrain
 * @version 1.0
 */
package com.meowrain;
public class Main {
    public static void main(String[] args){
        int [] arr1 = {11,22,33,44,55,66,77,88};
        int [] arr2 = new int[arr1.length];
        for (int i = arr1.length - 1,j = 0; i >= 0; i--,j++) {
            arr2[j] = arr1[i];
        }
        for (int i = 0; i < arr2.length; i++) {
            System.out.println(arr2[i]);
        }
    }
}